CN107841018A - A kind of modification regeneration high-impact PE for plastic pallet and preparation method thereof - Google Patents
A kind of modification regeneration high-impact PE for plastic pallet and preparation method thereof Download PDFInfo
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- CN107841018A CN107841018A CN201711048691.2A CN201711048691A CN107841018A CN 107841018 A CN107841018 A CN 107841018A CN 201711048691 A CN201711048691 A CN 201711048691A CN 107841018 A CN107841018 A CN 107841018A
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- Prior art keywords
- impact
- plastic pallet
- modification regeneration
- regeneration high
- modification
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/04—Homopolymers or copolymers of ethene
- C08L23/06—Polyethene
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B9/00—Making granules
- B29B9/02—Making granules by dividing preformed material
- B29B9/06—Making granules by dividing preformed material in the form of filamentary material, e.g. combined with extrusion
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/24—Acids; Salts thereof
- C08K3/26—Carbonates; Bicarbonates
- C08K2003/265—Calcium, strontium or barium carbonate
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
- C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2207/00—Properties characterising the ingredient of the composition
- C08L2207/06—Properties of polyethylene
- C08L2207/062—HDPE
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2207/00—Properties characterising the ingredient of the composition
- C08L2207/06—Properties of polyethylene
- C08L2207/066—LDPE (radical process)
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2207/00—Properties characterising the ingredient of the composition
- C08L2207/20—Recycled plastic
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- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Processes Of Treating Macromolecular Substances (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
Abstract
The present invention is applied to resource regeneration technical field, a kind of modification regeneration high-impact PE for plastic pallet and preparation method thereof is provided, the present invention has selected multipath to reclaim available PE classes waste plastics, the ratio of regenerated plastics+filler accounts for more than the 90% of component, and addition ethylene copolymer, ionomer and the addition for combining rigid inorganic particulate, while reinforcing material, the toughness and wearability of material can be more greatly improved, the modification regeneration particle of preparation improves 12 times than the shock strength of common regenerated particle；It can in addition contain add inorganic filler, while material stiffness is improved, the cost of material is also reduced as filler.Prepare that cost is low, plastic pallet performance is good by plastic pallet of the present invention.
Description
Technical field
The invention belongs to resource regeneration technical field, more particularly to a kind of modification regeneration high-impact PE for plastic pallet
And preparation method thereof.
Background technology
With the development of China's plastics industry, substantial amounts of plastic refuse produces therewith.Discarded modeling caused by China is annual
Doses is about 14,000,000 tons or so, and they can not natural decomposition, without putrefaction, it has also become the social concern attracted attention.Waste plastics
Industrial refuse can be become the valuable industrial production raw material of poling by recovery and reusing and recycling, realized resource regeneration and recycled,
With the potential significance that can not ignore.Countries in the world are all paid close attention to and supported very much to the recovery and reusing and recycling method of waste plastics at present,
In the solid waste of industrially developed country, waste plastics accounts for 4%-10% or 10%-20%.And polyolefin (mainly PE
And PP) occupying sizable ratio, it has the characteristics that, and recycling value is high, resistance to ag(e)ing is preferable.
Plastic pallet (pallet) is the matching used Logistic Units of logistics equipment such as a kind of and fork truck, shelf.It can be used to
Deposit, load, transport goods, be one of logistics equipment essential in Modern Materials Circulation storage.Plastic pallet is
Environmentally friendly needs are adapted to, replace wood composite pallet to reduce the best product to forest deterioration using plastic pallet；It is to adapt to logistics hair
The inevitable outcome of exhibition, as continually strengthening for food security idea, the high request of pharmaceuticals industry wholesomeness, plastic pallet are anti-with it
Burn into moisture proof, anti-corrosion, it is anti-insect, not mouldy the features such as by food, pharmaceuticals industry favor and pursue.In addition, plastics
The features such as load-carrying properties height and long service life of pallet, had a wide range of applications in fields such as chemical industry, light textile, manufacturing industry.
Just because of many merits of plastic pallet, and country-driven Logistics Standardization policy in recent years, replace it
For other pallets such as wood composite pallet speed quickly, this proposes the dual of performance and cost to the material for producing plastic pallet will
Ask.Current plastic pallet produces the plastic tray of the largely aging after 3 years used above based on PE materials in annual society
Disk and other similar plastics products, regeneration are modified by reclaiming these waste and old PE plastics plastic pallet is prepared, still
The aberrations in property of these regenerated plastics pallets, the pallet produced not as virgin plastics.
The content of the invention
In view of the above problems, it is an object of the invention to provide a kind of modification regeneration high-impact PE for plastic pallet and
Its preparation method, it is intended to solve the technical problem for the regenerated plastics pallet aberrations in property that existing method of modifying obtains.
On the one hand, each raw material components and mass parts that the modification regeneration high-impact PE for plastic pallet is included are matched somebody with somebody
Than as follows：
Further, the HDPE reworked materials are HDPE classes injection-molded item or HDPE Blow Molded Articles through broken, cleaning
Broken material afterwards.
Further, the LDPE reworked materials are all kinds of waste and old ldpe films through being granulated obtained particle.
Further, EVA based sheet, articles for use of the ethylene copolymer for recovery, and ethylene propylene copolymer class apply
Charging basket, daily injection-molded item, the broken material after broken, cleaning.
Further, the ionomer is Du Pont's sarin resin, or the ion of Du Pont's sarin resin addition regeneration
Polymer waste.
Further, it is described it is rigid filled be inorganic filler, be talcum powder, Paris white, diatomite in powder, in wollastonite powder
One or more of mixture, it is desirable to which mesh number is in 800-1250 mesh.
Further, the lubricant is stearic acid, Metallic stearates, ethylene bis stearamide, fatty chloroflo, oxidation
Polyethylene or composite lubricant.
Further, the processing aid includes compatilizer, antioxidant and light stabilizer, wherein the compatilizer is horse
Maleic anhydride grafted polyethylene, maleic anhydride inoculated polypropylene or silane coupler, the antioxidant are antioxidant 1010, antioxygen
Agent 168.
On the other hand, the preparation method of the modification regeneration high-impact PE for plastic pallet comprises the steps：
Each raw material components and proportion by weight included according to above-mentioned modification regeneration high-impact PE prepare each raw material；
Each raw material is passed through into modification regeneration high-impact PE made from the granulation of conical double-screw extruding granulator.
Further, the conical double-screw extruding granulator technological requirement is as follows：
1), using the granulating head in 3-6mm apertures, mode is granulated using rotary-cut；
2), the type of cooling is cooled down using water circulation, and configures drier；
3), temperature is set：One 140-160 DEG C of area, two 160-180 DEG C of areas, three 165-190 DEG C of areas, merging core 160-200
DEG C, 135-185 DEG C of die head one, 120-170 DEG C of die head two；Speed is set：10-35 revs/min of feeding rotating speed, extrusion rotating speed 8-26
Rev/min, 30-60 revs/min of rotary-cut rotating speed.
The beneficial effects of the invention are as follows：
(1) in material prescription of the invention, multipath has mainly been selected to reclaim available PE classes waste plastics, regeneration modeling
The ratio of material+filler accounts for more than the 90% of component, and cost approaches with common regenerated plastics.
(2) present invention adds ethylene copolymer, ionomer in material prescription and combines adding for rigid inorganic particulate
Add, while reinforcing material, can more greatly improve the toughness and wearability of material, the modification regeneration particle of preparation is than common
The shock strength of regenerated particle improves 1-2 times；
(3) in material prescription of the invention, according to the situation of formula other components, the inorganic of 5%-10% can be added and filled out
Expect (particulate), while material stiffness is improved, the cost of material is also reduced as filler.
(4) present invention using conical double screw extruder carries out extrusion processing technology, with reference to rotary-cut water cooling prilling, than
Traditional single screw rod prilling is played, this technique can obtain bigger extrusion pressure, and the difference of screw rod can obtain preferably
Material cutting effect, the microscopic uniformity of modified formula can be significantly improved, so as to improve material property；
Embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, with reference to embodiments, to the present invention
It is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, it is not used to
Limit the present invention.
Provided by the present invention for the modification regeneration high-impact PE of the plastic pallet each raw material components included and mass parts
Proportioning is as follows：
Wherein, the HDPE reworked materials are the HDPE classes injection-molded items such as the waste and old Turnround basket, pallet, dustbin of recovery through broken
The HDPE Blow Molded Articles such as the waste and old tank of broken material or recovery after broken, cleaning are broken after broken, cleaning
Particle.
The LDPE reworked materials are that eutectic refers to reworked material, for recovery all kinds of waste and old ldpe films through being granulated obtained grain
Son.
EVA based sheet, articles for use of the ethylene copolymer for recovery, and it is ethylene propylene copolymer class paint can, daily
Injection-molded item, the broken material after broken, cleaning.
Described particulate polymer is Du Pont's sarin resin, can also add the ionomer waste material of regeneration, main next
Come from some waste and old cosmetics containers, golf etc..
The inorganic filler is the relatively inexpensive inorganic filler of price, including：Talcum powder, Paris white, diatomite in powder, silicon ash
One or more of mixtures in powder, it is desirable to which mesh number is in 800-1250 mesh.
The lubricant be stearic acid, Metallic stearates, ethylene bis stearamide, fatty chloroflo, oxidic polyethylene or
Composite lubricant.
It is (maleic anhydride grafted polyethylene, maleic anhydride inoculated polypropylene, silane coupled that the processing aid includes compatilizer
Agent etc.), antioxidant (antioxidant 1010, irgasfos 168 etc.), light stabilizer etc..
In addition, it is necessary to illustrate, HDPE reworked materials and LDPE reworked materials are employed in inventive formulation, is preparing plastics
Pallet must rationally use both PE reworked materials, and HDPE reworked materials are 4-5 times of LDPE reworked materials, LDPE molecular dopants
Between HDPE molecules, molecular gap is filled with, after extrusion molding, improves the anti-impact Compressive Strength of material, particularly suitable for preparing
Plastic pallet.
According to said components, pass through modification regeneration high-impact PE made from the granulation of conical double-screw extruding granulator.
The conical double-screw extruding granulator technological requirement is as follows：
1), using the granulating head in 3-6mm apertures, mode is granulated using rotary-cut；
2), the type of cooling is cooled down using water circulation, and configures drier；
3), temperature is set：One 140-160 DEG C of area, two 160-180 DEG C of areas, three 165-190 DEG C of areas, merging core 160-200
DEG C, 135-185 DEG C of die head one, 120-170 DEG C of die head two；Speed is set：10-35 revs/min of feeding rotating speed, extrusion rotating speed 8-26
Rev/min, 30-60 revs/min of rotary-cut rotating speed.
Two specific embodiment processes are set forth below.
Embodiment 1
It is formulated (raw material components are by weight)：Reclaim blue 45 parts of PE pallets broken material, the white small Hollow barrels of PE of recovery are broken
20 parts of particle, 15 parts of regeneration ldpe film granulation material, white 10 parts of the PE EVAs paint can broken material of recovery, 8 parts of sarin resin,
8 parts of talcum powder, 0.5 part of composite lubricant, 0.3 part of antioxidant 1010,0.3 part of irgasfos 168,0.5 part of blue masterbatch.
By above-mentioned formula, after material is well mixed with high-speed mixer respectively, made with conical double screw extruder extrusion
Grain prepares blue modification regeneration PE particles, temperature setting：One 140 DEG C of area, two 160 DEG C of areas, three 165 DEG C of areas, merging core 160
DEG C, one 140 DEG C of die head, 2 150 DEG C of die head；Speed is set：12 revs/min of feeding rotating speed, extrude 15 revs/min of rotating speed, rotary-cut
44 revs/min of rotating speed.
The particle prepared is subjected to injection batten, then tested.
By the test of standard batten it can be found that the modified materials properties of this Recipe are excellent, wherein anti-impact is strong
Degree reaches 12kj/m2.
Embodiment 2
It is formulated (raw material components are by weight)：White 30 parts of PE Fruit baskets broken material, the blue PE pallets of recovery of recovery are broken
25 parts of particle, big 15 parts of the Hollow barrel broken materials of the blue PE of recovery, 10 parts of regeneration ldpe film granulation material, the blue EVA sheet of recovery
20 parts of broken material, 10 parts of regenerant ions polymer material, 5 parts of calcium carbonate, 4 parts of talcum powder, 0.7 part of composite lubricant, antioxidant
1010 0.3 parts, 0.3 part of irgasfos 168,0.8 part of blue masterbatch.
By above-mentioned formula, after material is well mixed with high-speed mixer respectively, made with conical double screw extruder extrusion
Grain prepares blue modification regeneration PE particles, temperature setting：One 150 DEG C of area, two 170 DEG C of areas, three 185 DEG C of areas, merging core 180
DEG C, one 165 DEG C of die head, 2 160 DEG C of die head；Speed is set：20 revs/min of feeding rotating speed, extrude 18 revs/min of rotating speed, rotary-cut
50 revs/min of rotating speed.
The particle prepared is subjected to injection batten, then tested.
By the test of standard batten it can be found that the modified materials properties of this Recipe are excellent, wherein anti-impact is strong
Degree reaches 11kj/m2.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
All any modification, equivalent and improvement made within refreshing and principle etc., should be included in the scope of the protection.
Claims (10)
1. a kind of modification regeneration high-impact PE for plastic pallet, it is characterised in that the modification regeneration high-impact PE is included
Each raw material components and proportion by weight it is as follows：
2. it is used for the modification regeneration high-impact PE of plastic pallet as claimed in claim 1, it is characterised in that the HDPE reworked materials
For the broken material of HDPE classes injection-molded item or HDPE Blow Molded Articles after broken, cleaning.
3. it is used for the modification regeneration high-impact PE of plastic pallet as claimed in claim 1, it is characterised in that the LDPE reworked materials
It is the particle that all kinds of waste and old ldpe films obtain through granulation.
4. it is used for the modification regeneration high-impact PE of plastic pallet as claimed in claim 1, it is characterised in that the ethylene copolymer
For EVA based sheets, the articles for use of recovery, and ethylene propylene copolymer class paint can, daily injection-molded item, by broken, cleaning
Broken material afterwards.
5. it is used for the modification regeneration high-impact PE of plastic pallet as claimed in claim 1, it is characterised in that the ionomer
For Du Pont's sarin resin, or the ionomer waste material of Du Pont's sarin resin addition regeneration.
6. it is used for the modification regeneration high-impact PE of plastic pallet as claimed in claim 1, it is characterised in that described rigid filled to be
Inorganic filler, it is one or more of mixtures in talcum powder, Paris white, diatomite in powder, wollastonite powder, it is desirable to which mesh number exists
800-1250 mesh.
7. it is used for the modification regeneration high-impact PE of plastic pallet as claimed in claim 1, it is characterised in that the lubricant is hard
Resin acid, Metallic stearates, ethylene bis stearamide, fatty chloroflo, oxidic polyethylene or composite lubricant.
8. it is used for the modification regeneration high-impact PE of plastic pallet as claimed in claim 1, it is characterised in that the processing aid bag
Compatilizer, antioxidant and light stabilizer are included, wherein the compatilizer is maleic anhydride grafted polyethylene, maleic anhydride grafting is poly-
Propylene or silane coupler, the antioxidant are antioxidant 1010, irgasfos 168.
9. a kind of modification regeneration high-impact PE for plastic pallet preparation method, it is characterised in that comprise the steps：
Each raw material components and proportion by weight included according to the modification regeneration high-impact PE as described in claim any one of 1-8 are accurate
Standby each raw material；
Each raw material is passed through into modification regeneration high-impact PE made from the granulation of conical double-screw extruding granulator.
10. it is used for the modification regeneration high-impact PE of plastic pallet preparation method as claimed in claim 9, it is characterised in that institute
It is as follows to state conical double-screw extruding granulator technological requirement：
1), using the granulating head in 3-6mm apertures, mode is granulated using rotary-cut；
2), the type of cooling is cooled down using water circulation, and configures drier；
3), temperature is set：One 140-160 DEG C of area, two 160-180 DEG C of areas, three 165-190 DEG C of areas, 160-200 DEG C of merging core, mould
First 135-185 DEG C, 120-170 DEG C of die head two；Speed is set：10-35 revs/min of feeding rotating speed, extrude 8-26 revs/min of rotating speed
Clock, 30-60 revs/min of rotary-cut rotating speed.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201711048691.2A CN107841018A (en) | 2017-10-31 | 2017-10-31 | A kind of modification regeneration high-impact PE for plastic pallet and preparation method thereof |
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| CN201711048691.2A CN107841018A (en) | 2017-10-31 | 2017-10-31 | A kind of modification regeneration high-impact PE for plastic pallet and preparation method thereof |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108841066A (en) * | 2018-04-19 | 2018-11-20 | 安徽华远节水灌溉器材有限公司 | A kind of modified waste polyethylene with good impact strength |
| CN109111755A (en) * | 2018-06-26 | 2019-01-01 | 汕头卜高通美实业有限公司 | A kind of plastic pallet PP Pipe Compound and preparation method thereof of waste paper factory membrane modifying |
| CN110922660A (en) * | 2019-11-27 | 2020-03-27 | 江苏轩盛塑业科技有限公司 | Plastic tray and preparation process thereof |
| CN112390996A (en) * | 2020-10-29 | 2021-02-23 | 江西格林美资源循环有限公司 | Modified regenerated polyethylene plastic for plastic pipeline and preparation method thereof |
| CN115572490A (en) * | 2022-02-21 | 2023-01-06 | 江苏永顺新材料科技有限公司 | Industrial plastic tray material and preparation method thereof |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108841066A (en) * | 2018-04-19 | 2018-11-20 | 安徽华远节水灌溉器材有限公司 | A kind of modified waste polyethylene with good impact strength |
| CN109111755A (en) * | 2018-06-26 | 2019-01-01 | 汕头卜高通美实业有限公司 | A kind of plastic pallet PP Pipe Compound and preparation method thereof of waste paper factory membrane modifying |
| CN110922660A (en) * | 2019-11-27 | 2020-03-27 | 江苏轩盛塑业科技有限公司 | Plastic tray and preparation process thereof |
| CN112390996A (en) * | 2020-10-29 | 2021-02-23 | 江西格林美资源循环有限公司 | Modified regenerated polyethylene plastic for plastic pipeline and preparation method thereof |
| WO2022088230A1 (en) * | 2020-10-29 | 2022-05-05 | 江西格林美资源循环有限公司 | Modified recycled polyethylene plastic for plastic pipeline and preparation method therefor |
| CN112390996B (en) * | 2020-10-29 | 2022-08-30 | 江西格林循环产业股份有限公司 | Modified regenerated polyethylene plastic for plastic pipeline and preparation method thereof |
| CN115572490A (en) * | 2022-02-21 | 2023-01-06 | 江苏永顺新材料科技有限公司 | Industrial plastic tray material and preparation method thereof |
| CN115572490B (en) * | 2022-02-21 | 2024-06-07 | 江苏永顺新材料科技有限公司 | Industrial plastic tray material and preparation method thereof |
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Application publication date: 20180327 |
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